Pachyonychia Congenita   1 study
Paget's Disease, Extramammary   1 study
Pagets disease   20 studies
Pain   2864 studies
Pain, Intractable   19 studies
Pain, Postoperative   271 studies
Pallister-Hall syndrome   1 study
Palmoplantar Keratoderma   1 study
Palmoplantar keratoderma, epidermolytic   1 study
Pancoast's Syndrome   3 studies
Pancreatic Cyst   7 studies
Pancreatic Diseases   925 studies
Pancreatic Fistula   3 studies
Pancreatic islet cell tumors   39 studies
Pancreatic Neoplasms   628 studies
Pancreatic Pseudocyst   3 studies
Pancreatitis   78 studies
Pancreatitis, Acute Necrotizing   4 studies
Pancreatitis, Alcoholic   3 studies
Pancreatitis, Chronic   38 studies
Pancytopenia   33 studies
Panhypopituitarism   3 studies
Panic Disorder   82 studies
Panuveitis   38 studies
Papillary renal cell carcinoma   16 studies
Papilledema   3 studies
Papillitis   15 studies
Papilloma   101 studies
Papillomavirus Infections   87 studies
Paraganglioma   19 studies
Parainfluenza virus type 3   5 studies
Paralyses, Familial Periodic   3 studies
Paralysis   212 studies
Paralysis, Hyperkalemic Periodic   1 study
Paramyotonia congenita   2 studies
Paramyxoviridae Infections   66 studies
Paranasal Sinus Neoplasms   3 studies
Paraneoplastic Syndromes   25 studies
Paraneoplastic Syndromes, Nervous System   14 studies
Paranoid Disorders   4 studies
Paraparesis   12 studies
Paraparesis, Spastic   9 studies
Paraparesis, Tropical Spastic   10 studies
Paraphilias   3 studies
Paraplegia   17 studies
Paraproteinemias   873 studies
Parapsoriasis   2 studies
Parasitemia   5 studies
Parasitic Diseases   504 studies
Parathyroid Diseases   108 studies
Parathyroid Neoplasms   8 studies
Paratuberculosis   1 study
Paratyphoid Fever   5 studies
Paresis   32 studies
Paresthesia   11 studies
Parkes Weber syndrome   2 studies
Parkinson Disease   468 studies
Parkinson Disease, Secondary   1 study
Parkinsonian Disorders   469 studies
Parotid Neoplasms   1 study
Paroxysmal nocturnal hemoglobinuria   20 studies
Paroxysmal ventricular fibrillation   62 studies
Parvoviridae Infections   5 studies
Passive-Aggressive Personality Disorder   1 study
Patau syndrome   1 study
Patellar Dislocation   4 studies
Patellofemoral Pain Syndrome   14 studies
Patent ductus arteriosus   18 studies
Pathological Conditions, Anatomical   636 studies
Peanut Hypersensitivity   12 studies
Pearson's marrow-pancreas syndrome   2 studies
Pediatric ulcerative colitis   1 study
Pedophilia   2 studies
Pelvic Infection   6 studies
Pelvic Inflammatory Disease   12 studies
Pelvic Neoplasms   12 studies
Pelvic Pain   91 studies
Pemphigoid, Benign Mucous Membrane   2 studies
Pemphigoid, Bullous   9 studies
Pemphigus   16 studies
Pemphigus vulgaris   8 studies
Pemphigus, Benign Familial   1 study
Penile Induration   2 studies
Penile Neoplasms   7 studies
Pentalogy of Cantrell   2 studies
Peptic Ulcer   98 studies
Peptic Ulcer Hemorrhage   17 studies
Peptic Ulcer Perforation   3 studies
Perceptual Disorders   37 studies
Periapical Diseases   7 studies
Periapical Periodontitis   5 studies
Periarthritis   3 studies
Pericardial Effusion   10 studies
Pericarditis   6 studies
Pericarditis, Constrictive   1 study
Pericarditis, Tuberculous   1 study
Periodontal Attachment Loss   3 studies
Periodontal Diseases   91 studies
Periodontitis   42 studies
Peripheral Nervous System Diseases   431 studies
Peripheral Nervous System Neoplasms   26 studies
Peripheral neuroectodermal tumor   110 studies
Peripheral T-cell lymphoma   32 studies
Peripheral Vascular Diseases   247 studies
Peritoneal Diseases   291 studies
Peritoneal Neoplasms   267 studies
Peritonitis   25 studies
Peroxisomal Disorders   16 studies
Persian Gulf Syndrome   10 studies
Persistent Fetal Circulation Syndrome   11 studies
Persistent Hyperinsulinemia Hypoglycemia of Infancy   2 studies
Persistent Vegetative State   4 studies
Personality Disorders   61 studies
Peutz-Jeghers Syndrome   5 studies
Peyronie disease   2 studies
Phantom Limb   22 studies
Pharyngeal Diseases   189 studies
Pharyngeal Neoplasms   108 studies
Pharyngitis   24 studies
Phenylketonuria, Maternal   1 study
Phenylketonurias   21 studies
Pheochromocytoma   26 studies
Philadelphia Chromosome   150 studies
Phlebitis   25 studies
Phobic Disorders   80 studies
Phosphate diabetes   2 studies
Phosphoglycerate kinase deficiency   1 study
Photophobia   5 studies
Photosensitive epilepsy   4 studies
Photosensitivity Disorders   15 studies
Phyllodes Tumor   2 studies
Phytanic acid oxidase deficiency   2 studies
Pick Disease of the Brain   28 studies
Picornaviridae Infections   98 studies
Pigment-dispersion syndrome   3 studies
Pigmentary retinopathy   34 studies
Pigmentation Disorders   52 studies
Pilomatrixoma   2 studies
Pilonidal Sinus   4 studies
Pinealoma   34 studies
Pituitary ACTH Hypersecretion   7 studies
Pituitary Diseases   189 studies
Pituitary Neoplasms   29 studies
Pityriasis   1 study
Pityriasis Rubra Pilaris   1 study
Placenta Previa   1 study
Placenta, Retained   2 studies
Placental Insufficiency   2 studies
Plague   4 studies
Plasma cell leukemia   3 studies
Plasmacytoma   67 studies
Plasmacytoma anaplastic   67 studies
Platelet Storage Pool Deficiency   7 studies
Platybasia   1 study
Pleural Diseases   66 studies
Pleural Effusion   64 studies
Pleural Effusion, Malignant   36 studies
Pleural Neoplasms   28 studies
Pleurisy   8 studies
Pleuropneumonia   8 studies
Pleuropulmonary blastoma   2 studies
Pneumococcal Infections   49 studies
Pneumoconiosis   4 studies
Pneumocystis Infections   57 studies
Pneumocystosis   44 studies
Pneumonia   395 studies
Pneumonia, Aspiration   8 studies
Pneumonia, Bacterial   41 studies
Pneumonia, eosinophilic   1 study
Pneumonia, Mycoplasma   5 studies
Pneumonia, Pneumococcal   10 studies
Pneumonia, Pneumocystis   59 studies
Pneumonia, Staphylococcal   1 study
Pneumonia, Ventilator-Associated   57 studies
Pneumonia, Viral   1 study
Pneumoperitoneum   6 studies
Pneumothorax   20 studies
Poisoning   119 studies
Poliomyelitis   68 studies
Polyarteritis   7 studies
Polyarteritis Nodosa   7 studies
Polyarthritis   5 studies
Polycystic kidney disease, autosomal recessive   2 studies
Polycystic kidney disease, infantile type   2 studies
Polycystic Kidney Diseases   25 studies
Polycystic Kidney, Autosomal Dominant   19 studies
Polycystic Kidney, Autosomal Recessive   2 studies
Polycystic liver disease   3 studies
Polycystic Ovary Syndrome   98 studies
Polycythemia   126 studies
Polycythemia Vera   122 studies
Polydactyly   2 studies
Polyhydramnios   3 studies
Polymyalgia Rheumatica   11 studies
Polymyositis   24 studies
Polyneuropathies   73 studies
Polyomavirus Infections   9 studies
Polyps   103 studies
Polyradiculoneuropathy   13 studies
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating   8 studies
Porokeratosis   1 study
Porphyria Cutanea Tarda   3 studies
Porphyria, Acute Intermittent   3 studies
Porphyria, congenital erythropoietic   15 studies
Porphyria, Erythropoietic   15 studies
Porphyrias   15 studies
Porphyrias, Hepatic   8 studies
Port-Wine Stain   14 studies
Portal hypertension   46 studies
Portal thrombosis   1 study
Portal vein thrombosis   1 study
Post Polio syndrome   7 studies
Post-Concussion Syndrome   6 studies
Post-Dural Puncture Headache   5 studies
Post-transplant lymphoproliferative disease   5 studies
Post-traumatic epilepsy   2 studies
Post-Traumatic Headache   4 studies
Posterior Tibial Tendon Dysfunction   2 studies
Postoperative Complications   422 studies
Postoperative Hemorrhage   17 studies
Postoperative Nausea and Vomiting   42 studies
Postpartum Hemorrhage   18 studies
Postpartum Thyroiditis   1 study
Postpericardiotomy Syndrome   1 study
Postphlebitic Syndrome   22 studies
Postpoliomyelitis Syndrome   7 studies
Postthrombotic Syndrome   22 studies
Postural hypotension   27 studies
Postural orthostatic tachycardia syndrome   13 studies
Pouchitis   4 studies
Poxviridae disease   1 study
Poxviridae Infections   59 studies
Prader-Willi Syndrome   14 studies
Pre-Eclampsia   78 studies
Pre-Excitation Syndromes   1 study
Precancerous Conditions   912 studies
Precocious puberty   17 studies
Precursor B-Cell Lymphoblastic Leukemia-Lymphoma   1 study
Precursor Cell Lymphoblastic Leukemia-Lymphoma   775 studies
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma   12 studies
Prediabetic State   59 studies
Pregnancy Complications   463 studies
Pregnancy Complications, Cardiovascular   1 study
Pregnancy Complications, Infectious   35 studies
Pregnancy in Diabetics   8 studies
Pregnancy toxemia /hypertension   78 studies
Pregnancy, Ectopic   6 studies
Pregnancy, Prolonged   5 studies
Pregnancy, Tubal   1 study
Preleukemia   801 studies
Premature Birth   124 studies
Premenstrual Syndrome   28 studies
Prenatal Exposure Delayed Effects   4 studies
Presbycusis   4 studies
Presbyopia   7 studies
Pressure Ulcer   37 studies
Priapism   2 studies
Primary aldosteronism   8 studies
Primary Amyloidosis   20 studies
Primary biliary cirrhosis   19 studies
Primary ciliary dyskinesia   10 studies
Primary effusion lymphoma   16 studies
Primary immunodeficiency disorders   4 studies
Primary progressive aphasia   28 studies
Primary sclerosing cholangitis   10 studies
Prinzmetal's variant angina   3 studies
Prion Diseases   2 studies
Proctitis   3 studies
Progeria   3 studies
Progressive multifocal leukoencephalopathy   8 studies
Progressive spinal muscular atrophy   20 studies
Progressive supranuclear palsy   15 studies
Prolactinoma   5 studies
Prolapse   82 studies
Prolymphocytic leukemia   119 studies
Prostate cancer, familial   1 study
Prostatic Diseases   1418 studies
Prostatic Hyperplasia   114 studies
Prostatic Intraepithelial Neoplasia   10 studies
Prostatic Neoplasms   1338 studies
Prostatitis   23 studies
Prosthesis-Related Infections   1 study
Protein C Deficiency   2 studies
Protein Deficiency   5 studies
Protein-Energy Malnutrition   5 studies
Proteinuria   125 studies
Proteus Infections   2 studies
Proteus Syndrome   1 study
Protoporphyria   3 studies
Protoporphyria, Erythropoietic   3 studies
Protozoan Infections   418 studies
Prurigo   2 studies
Prurigo nodularis   2 studies
Pruritus   54 studies
Pseudarthrosis   4 studies
Pseudo-Turner syndrome   2 studies
Pseudohermaphroditism   2 studies
Pseudohypoaldosteronism   4 studies
Pseudohypoaldosteronism type 1, autosomal recessive   1 study
Pseudohypoparathyroidism   4 studies
Pseudomonas Infections   8 studies
Pseudomyxoma Peritonei   4 studies
Pseudophakia   4 studies
Pseudopseudohypoparathyroidism   2 studies
Pseudotumor Cerebri   41 studies
Pseudoxanthoma Elasticum   4 studies
Psoriasis   323 studies
Psychomotor Agitation   125 studies
Psychoses, Substance-Induced   2 studies
Psychotic Disorders   1401 studies
Pterygium   20 studies
Pterygium of the conjunctiva   20 studies
Puberty, Delayed   2 studies
Puberty, Precocious   18 studies
Puerperal Disorders   55 studies
Puerperal Infection   1 study
Pulmonary Alveolar Proteinosis   2 studies
Pulmonary arteriovenous malformation   5 studies
Pulmonary Atresia   2 studies
Pulmonary Blastoma   2 studies
Pulmonary Disease, Chronic Obstructive   646 studies
Pulmonary Edema   29 studies
Pulmonary edema of mountaineers   6 studies
Pulmonary Embolism   113 studies
Pulmonary Emphysema   103 studies
Pulmonary Eosinophilia   1 study
Pulmonary Fibrosis   81 studies
Pulmonary Heart Disease   6 studies
Pulmonary Valve Insufficiency   5 studies
Pulmonary Valve Stenosis   5 studies
Pulmonary veins stenosis   3 studies
Pulmonary Veno-Occlusive Disease   1 study
Pulmonic stenosis   5 studies
Pulpitis   2 studies
Pure red cell aplasia   14 studies
Purine-Pyrimidine Metabolism, Inborn Errors   25 studies
Purpura   84 studies
Purpura, Schoenlein-Henoch   4 studies
Purpura, Thrombocytopenic   80 studies
Purpura, Thrombocytopenic, Idiopathic   48 studies
Purpura, Thrombotic Thrombocytopenic   10 studies
Pyelonephritis   14 studies
Pyloric Stenosis   3 studies
Pyloric Stenosis, Hypertrophic   1 study
Pyoderma   7 studies
Pyoderma Gangrenosum   3 studies
Pyropoikilocytosis   1 study
Pyrosis   57 studies
Pyuria   2 studies